Commands by jozef (2)

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Current running process ordered by %CPU
Useful to detect which process is causing system loads. It shows process PID so as we can take further actions.

Rename .JPG to .jpg recursively
This command is useful for renaming a clipart, pic gallery or your photo collection. It will only change the big caps to small ones (on the extension).

Limit the transfer rate of a pipe with pv
-L RATE, --rate-limit RATE Limit the transfer to a maximum of RATE bytes per second. A suffix of "k", "m", "g", or "t" can be added to denote kilobytes (*1024), megabytes, and so on. It must be an integer.

[git] Output remote origin from within a local repository
Great way to quickly grasp if a locally cloned repository originates from e.g. github or elsewhere.

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Graphically show percent of mount space used
Automatically drops mount points that have non-numeric sizes (e.g. /proc). Tested in bash on Linux and AIX.

Run any GUI program remotely
$ ssh -X example.org xeyes The SSH server configuration requires: X11Forwarding yes # this is default in Debian And it's convenient too: Compression delayed

Mount FileVault sparsebundle image manually (e.g.: from TimeMachine disk).

Find Duplicate Files (based on size first, then MD5 hash)
If you have the fdupes command, you'll save a lot of typing. It can do recursive searches (-r,-R) and it allows you to interactively select which of the duplicate files found you wish to keep or delete.

In-Place search/replace with datestamped backup
Does an in situ search-replace but leaves a datestamped backup. A variation with more precision: sed -i.`date +%Y%m%d%H%M%S 's/pattern/replace' [filename]


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